Butyl 2-(chlorosulfonyl)acetate CAS 866128-20-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 866128-20-3 |
| Molecular Formula | C6H11ClO4S |
| Molecular Weight | 214.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Butyl 2-(chlorosulfonyl)acetate (CAS 866128-20-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H11ClO4S. Molecular weight: 214.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H11ClO4S |
| Molecular Weight | 214.67 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Butyl Standards
- Methyl 5-(Chlorosulfonyl)pentanoate (CAS 1408058-14-9)
- Methyl 2-(chlorosulfonyl)-3-methylbutanoate (CAS 144037-05-8)
- ethyl 2-(chlorosulfonyl)-2-methylpropanoate (CAS 55896-99-6)
- Ethyl 4-(chlorosulfonyl)butanoate (CAS 319452-60-3)
- methyl 3-(chlorosulfonyl)-2,2-dimethylpropanoate (CAS 914216-23-2)
- Methyl 3-(chlorosulfonyl)-2-methylbutanoate (CAS 2091807-48-4)
- Ethyl 2-[(chlorosulfonyl)(methyl)amino]acetate (CAS 1249246-15-8)
- methyl 3-[(chlorosulfonyl)(methyl)amino]propanoate (CAS 1250575-99-5)
Recommended Standards
- 7-(Chloromethyl)-2-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one (CAS 943656-55-1)
- 6-Chloro-4-methoxybenzo[d]thiazol-2-amine (CAS 2351222-44-9)
- 6-Chloro-2,3-dihydrobenzo[b]thiophene-2-carboxylic acid (CAS 26018-74-6)
- (1R,3S)-3-methoxycyclopentane-1-carboxylic acid (CAS 1932791-40-6)
- 4-(1H-1,2,3-benzotriazol-1-yl)benzoic acid (CAS 314248-56-1)
- 2-(6,7-Dihydro-5H-benzo[7]annulen-9-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2126819-58-5)
- 2,4-Diaminoquinazoline-6-carboxylic acid (CAS 207562-23-0)
- 4-(5-fluoropyridin-3-yl)pyrimidin-2-amine (CAS 1360931-33-4)
- 2-(4-Bromophenyl)-4,6-diphenylpyridine (CAS 3557-70-8)
- Tirzepatide Impurity 23 X TFA Salt (CAS CATO-C4X-324023)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com